public void recordTimestamp(String className, ClassLoader loader) {
if (!(loader instanceof ModuleClassLoader)) {
return;
}
Map<String, Long> stamps = null;
final ModuleClassLoader moduleClassLoader = (ModuleClassLoader) loader;
final ModuleIdentifier moduleIdentifier = moduleClassLoader.getModule().getIdentifier();
if (loadersByModuleIdentifier.containsKey(moduleIdentifier)) {
final ModuleClassLoader oldLoader = loadersByModuleIdentifier.get(moduleIdentifier);
if (oldLoader != moduleClassLoader) {
loadersByModuleIdentifier.put(moduleIdentifier, moduleClassLoader);
timestamps.put(moduleClassLoader, stamps = new ConcurrentHashMap<String, Long>());
} else {
stamps = timestamps.get(moduleClassLoader);
}
} else {
loadersByModuleIdentifier.put(moduleIdentifier, moduleClassLoader);
timestamps.put(moduleClassLoader, stamps = new ConcurrentHashMap<String, Long>());
}
final URL file = loader.getResource(className.replace(".", "/") + ".class");
className = className.replace("/", ".");
if (file != null) {
URLConnection connection = null;
try {
connection = file.openConnection();
stamps.put(className, connection.getLastModified());
} catch (IOException e) {
e.printStackTrace();
}
}
}
@Override
public Iterable<JavaFileObject> list(
Location location, String packageName, Set<Kind> kinds, boolean recurse)
throws IOException {
if (location == StandardLocation.PLATFORM_CLASS_PATH) {
return standardJavaFileManager.list(location, packageName, kinds, recurse);
}
List<JavaFileObject> ret = new ArrayList<>();
if (kinds.contains(Kind.CLASS) && location.equals(StandardLocation.CLASS_PATH)) {
if (classLoader instanceof ModuleClassLoader) {
ModuleClassLoader mcl = (ModuleClassLoader) classLoader;
final String packageWithSlashes = packageName.replace(".", "/");
try {
Iterator<Resource> resources =
mcl.getModule()
.iterateResources(
new PathFilter() {
@Override
public boolean accept(String path) {
if (recurse) {
return path.startsWith(packageWithSlashes);
} else {
return path.equals(packageWithSlashes);
}
}
});
while (resources.hasNext()) {
Resource res = resources.next();
if (!res.getName().endsWith(".class")) {
continue;
}
String binaryName =
res.getName().replace("/", ".").substring(0, res.getName().length() - 6);
try {
ret.add(
new ZipJavaFileObject(
org.fakereplace.util.FileReader.readFileBytes(res.openStream()),
binaryName,
res.getURL().toURI()));
} catch (URISyntaxException e) {
e.printStackTrace();
}
}
} catch (ModuleLoadException e) {
e.printStackTrace();
}
} else {
URL res = classLoader.getResource(packageName.replace(".", "/"));
if (res != null) {
if (res.getProtocol().equals("file")) {
Path dirPath = Paths.get(res.getFile());
listDir(packageName, dirPath, recurse, ret);
} else if (res.getProtocol().equals("jar")) {
JarURLConnection connection = (JarURLConnection) res.openConnection();
Enumeration<JarEntry> entryEnum = connection.getJarFile().entries();
while (entryEnum.hasMoreElements()) {
JarEntry entry = entryEnum.nextElement();
String name = entry.getName();
if (name.endsWith(".class") && !entry.isDirectory()) {
if (name.startsWith(packageName.replace(".", "/"))) {
String rem = name.substring(packageName.length());
if (rem.startsWith("/")) {
rem = rem.substring(1);
}
if (!recurse) {
if (rem.contains("/")) {
continue;
}
}
String binaryName =
entry
.getName()
.replace("/", ".")
.substring(0, entry.getName().length() - 6);
try {
URI uri = new URI(res.toExternalForm() + "/" + rem);
ret.add(
new ZipJavaFileObject(
org.fakereplace.util.FileReader.readFileBytes(
uri.toURL().openStream()),
binaryName,
uri));
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
} else {
System.err.println(
"Could not find package "
+ packageName
+ " in "
+ classLoader
+ " unknown protocol "
+ res.getProtocol());
}
} else {
return standardJavaFileManager.list(location, packageName, kinds, recurse);
}
}
} else {
return standardJavaFileManager.list(location, packageName, kinds, recurse);
}
return ret;
}